<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0px;
            padding: 0px;
        }
        .x{
            position: relative;
            width: 520px;
            height: 280px;
            margin: 0px auto;
            background-color: skyblue;
        }
        .x img{
            width: 520px;
            height: 280px;
        }
        .x .left{
            position: absolute;
            left: 0;
            top: 50%;
            margin-top: -15px;
            width: 20px;
            height: 30px;
            text-decoration: none;
            background: rgba(0,0,0,0.3);
            color: #fff;
            border-radius: 0px 15px 15px 0px;
        }
        .x .right{
            position: absolute;
            right: 0px;
            top: 50%;
            margin-top: -15px;
            width: 20px;
            height: 30px;
            text-decoration: none;
            background: rgba(0,0,0,0.3);
            color: #ffff;
            border-radius:15px 0px 0px 15px;
            text-align: center;
        }
        .x .bm {
            position: absolute;
            bottom: 15px;
            left: 50%;
            margin-left: -35px;
            width: 70px;
            height: 13px;
            background: rgba(255,255,255,0.3);
            border-radius: 7px;
        }
        .bm li{
            float: left;
            width: 8px;
            height: 8px;
            background-color: #fff;
            border-radius: 50%;
            margin: 3px;
            list-style: none;
        }
        
    </style>
</head>
<body>
    <div class="x">
        <img src="../static/image/4.jpeg" alt="">
        <a href="#" class="left"><</a>
        <a href="#" class="right">></a>
        <ul class="bm">
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
</body>
</html>